Self priming centrifugal pump

Details Self priming centrifugal pump Self priming centrifugal pump

F - Mech Eng,Light,Heat,Weapons

04

D

103/112

F04D 9/02 (2006.01)

Patent

CA 1088374

SELF PRIMING CENTRIFUGAL PUMP ABSTRACT OF THE DISCLOSURE A trash handling pump featuring simplicity of construc- tion wherein the pump parts stack one upon the other and the impeller and/or its housing, the latter of which has integrated volute structure, include resilient surface portions strategically formed and located to prevent solids from fixedly lodging therebetween and thereby causing the parts to either malfunction or break. As here provided, the impeller housing has a slip fit and shock absorbing mount. The pump unit also features a self lubricating system which is automatically controlled by the pump discharge. An improved arrangement of seals insures against leaking of lubricant from the pump housing. Preferred embodiments of the pump include a two part impeller housing embodying volute structure in each part thereof. The arrangement is such that the parts may be easily molded of plastic materials.

296483

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